| Label | Element | Value |
|---|---|---|
| Innovator Power Buffer Step-Up Strategy ETF® | State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $7.17 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 99.00% |
| Innovator Power Buffer Step-Up Strategy ETF® | State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $718.65 [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | 5.80% |
| Innovator Power Buffer Step-Up Strategy ETF® | State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $812.29 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (2.50%) |
| Innovator Power Buffer Step-Up Strategy ETF® | State Street SPDR S&P 500 ETF Trust, Expiration: 04/30/2027; Exercise Price: $610.85 (Short) [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Net Asset Value | oef_PctOfNav | (2.60%) |